Ultrafast Exciton Energy Transfer between Nanoscale Coaxial Cylinders: Intertube Transfer and Luminescence Quenching in Double-Walled Carbon Nanotubes

被引：25

作者：

Koyama, Takeshi ^{[1
]}

Asada, Yuki ^{[2
]}

Hikosaka, Naoki ^{[1
]}

Miyata, Yasumitsu ^{[2
]}

Shinohara, Hisanori ^{[2
]}

Nakamura, Arao ^{[1
]}

机构：

[1] Nagoya Univ, Dept Appl Phys, Grad Sch Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan

[2] Nagoya Univ, Dept Chem, Grad Sch Sci, Chikusa Ku, Nagoya, Aichi 4648602, Japan

来源：

ACS NANO | 2011年 / 5卷 / 07期

关键词：

double-walled carbon nanotubes; exciton energy transfer; one-dimensional exciton; photoluminescence; femtosecond time-resolved luminescence spectroscopy; EXCITATION TRANSFER; SINGLE-WALL; RHODOBACTER-SPHAEROIDES; TEMPERATURE-DEPENDENCE; INNER SHELLS; PHOTOLUMINESCENCE; BUNDLES; DYNAMICS; FLUORESCENCE; SYSTEMS;

D O I：

10.1021/nn201661q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We study exciton energy transfer in double-walled carbon nanotubes using femtosecond time-resolved luminescence measurements. From direct correspondence between decay of the innertube luminescence and the rise behavior in outertube luminescence, it is found that the time constant of exciton energy transfer from the inner to the outer semiconducting tubes is similar to 150 fs. This ultrafast transfer indicates that the relative intensity of steady-state luminescence from the innertubes is similar to 700 times weaker than that from single-walled carbon nanotubes.

引用

页码：5881 / 5887

页数：7

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